package cn.tedu.ip;

import java.io.IOException;

import org.apache.hadoop.io.*;
import org.apache.hadoop.mapreduce.Mapper;

public class IPMapper 
	extends Mapper<LongWritable, Text, Text, NullWritable>{

	@Override
	protected void map(LongWritable key, Text value, Context context)
			throws IOException, InterruptedException {
		//????????????????????ip?????????????????
		//????reducer
		context.write(value, NullWritable.get());
	}
}
